Klamath falls is located in Klamath county Oregon with a geographic area of 20.1 square miles. The total population in Klamath falls is 21,509 with 50.2% male and 49.8% female. Children under age 5 represent 5.5% of the population, under age 18 equal 21.0% of the population and over age 65 is 17.2% of the population. The median household income is $40,783, per capita income is $25,383. There are a total of 9,507 housing units with 45.6% owner occupied. Education includes 29.6% of residents that are high school graduates and 24.4% with a bachelor's degree or higher. The average temperature in Klamath falls in the summer is 63 degrees, and in the winter 35 degrees.